Ready for another edition of Microsoft's Laptop Hunters? This time it's Lauren -- not the infamous original LH -- and mom seeking the perfect PC to take with her to law school. Top on the list of needs is a portable with speed and battery life, all for less than $1700. Shying away from the more expensive MacBook Pro -- a pretty tame jab, much like the last ad -- the dynamic duo settle on a Dell XPS 13a 2.4GHz Intel Core 2 Duo, 4GB RAM, 320GB HDD, and a $